import Vue from 'vue'
import App from './App.vue'
import router from './router'
import './plugins/element.js'
import './assets/css/global.css'
import axios from 'axios'
//配置 echarts 
import * as echarts from 'echarts'
Vue.prototype.$echarts = echarts


Vue.config.productionTip = false
Vue.prototype.$axios = axios;//挂载组件

new Vue({
  router,
  render: h => h(App)
}).$mount('#app')

//请求在到达服务器之前，先会调用use中的这个回调函数来添加请求头信息
axios.interceptors.request.use(config => {
  //为请求头对象，添加token验证的Authorization字段
  config.headers['X-Token'] = window.sessionStorage.getItem("token")
  return config
})
